Home / 122,902.19-184,353.87-42,939.81

Finding the Fourth Proportional to 122,902.19, 184,353.87 and 42,939.81

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Solution

The fourth proportional to 122,902.19, 184,353.87 and 42,939.81 is: 64,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,902.19 : 184,353.87 = 42,939.81 : x
  2. Step 2: Convert to fraction form
    122,902.19/184,353.87 = 42,939.81/x
  3. Step 3: Cross multiply
    122,902.19x = 184,353.87 × 42,939.81
  4. Step 4: Simplify right side
    122,902.19x = 7,916,120,150.56
  5. Step 5: Solve for x
    x = 7,916,120,150.56/122,902.19
  6. Step 6: Final answer
    x = 64,409.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.